The synchronized astable multivibrator bridge as an error detector of an on-off servomechanism

The synchronized astable multivibrator bridge using time delay between pulses, is a new temperature- stabilized linear transducer and a measuring device with a digital counter of R or C parameter changes or corresponding nonelectric quantities. It is used as an error detector, compatible with an electronic relay, bistable multivibrator or corresponding flip-flop integrated circuit, in a simple and reliable on-off servomechanism whose hysteresis or dead zone corresponds to relative changes of a variable element of about 10-5. This servomechanism is convenient for measurement, control, command or recording, especially for remote operations. Applied with thyristors it can be used as a sensitive and contactless thermostat or switcher.